Home / 945,705,666.90-1,416,169,713.15-620,830,607.70

Finding the Fourth Proportional to 945,705,666.90, 1,416,169,713.15 and 620,830,607.70

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Solution

The fourth proportional to 945,705,666.90, 1,416,169,713.15 and 620,830,607.70 is: 929,677,736.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,705,666.90 : 1,416,169,713.15 = 620,830,607.70 : x
  2. Step 2: Convert to fraction form
    945,705,666.90/1,416,169,713.15 = 620,830,607.70/x
  3. Step 3: Cross multiply
    945,705,666.90x = 1,416,169,713.15 × 620,830,607.70
  4. Step 4: Simplify right side
    945,705,666.90x = 879,201,503,621,249,280
  5. Step 5: Solve for x
    x = 879,201,503,621,249,280/945,705,666.90
  6. Step 6: Final answer
    x = 929,677,736.31

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.